Home / 14,132,004.80-21,205,005.60-8,071,390.40

Finding the Fourth Proportional to 14,132,004.80, 21,205,005.60 and 8,071,390.40

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Solution

The fourth proportional to 14,132,004.80, 21,205,005.60 and 8,071,390.40 is: 12,111,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132,004.80 : 21,205,005.60 = 8,071,390.40 : x
  2. Step 2: Convert to fraction form
    14,132,004.80/21,205,005.60 = 8,071,390.40/x
  3. Step 3: Cross multiply
    14,132,004.80x = 21,205,005.60 × 8,071,390.40
  4. Step 4: Simplify right side
    14,132,004.80x = 171,153,878,631,786.25
  5. Step 5: Solve for x
    x = 171,153,878,631,786.25/14,132,004.80
  6. Step 6: Final answer
    x = 12,111,082.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.